package com.yhsimon.tcp;

import java.io.IOException;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;

//客户端
public class TcpClientDemo1 {
    public static void main(String[] args) {
        Socket socket=null;
        OutputStream os=null;
        try {
            //1.要知道服务器的ip地址 端口号
            InetAddress serverIP = InetAddress.getByName("127.0.0.1");
            int port=8888;
            //2.创建一个socket连接
            socket = new Socket(serverIP, port);
            //3.发送消息  IO流
            os = socket.getOutputStream();
            os.write("服务器你好呀，我来找你了".getBytes());

        } catch (Exception e) {
            e.printStackTrace();
        }finally {
            if(os!=null){
                try {
                    os.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if(socket!=null){
                try {
                    socket.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}
